Ukraine's President Volodymyr Zelensky has arrived in London in his first trip to the UK since the beginning of Russia's full-scale invasion, news wires report.

• Zelensky is expected to address parliament, meet UK Prime Minister Rishi Sunak and visit Ukrainian troops training in the country.
• Zelensky made his first and only foreign trip since outbreak of the war in late December, when travelled to the U.S.